Please note that Mommsen uses the AUC chronology (Ab Urbe Condita), i.e. from the founding of the City of Rome. You can use this reference table to have the B.C. dates
From: The History of Rome, by Theodor Mommsen
Translated with the sanction of the author by William Purdie Dickson
Except in the territories which may be regarded as natural appendages of Italy--in which, however, the natives were still far from being completely subdued, and, not greatly to the credit of Rome, Ligurians, Sardinians, and Corsicans were continually furnishing occasion for "village triumphs"--the formal sovereignty of Rome at the commencement of this period was established only in the two Spanish provinces, which embraced the larger eastern and southern portions of the peninsula beyond the Pyrenees. We have already(1) attempted to describe the state of matters in the peninsula.
1. Cf. III. VII. The State of Culture in Spain.
Iberians and Celts, Phoenicians, Greeks, and Romans were there confusedly intermingled. The most diverse kinds and stages of civilization subsisted there simultaneously and at various points crossed each other, the ancient Iberian culture side by side with utter barbarism, the civilized relations of Phoenician and Greek mercantile cities side by side with an incipient process of Latinizing, which was especially promote by the numerous Italians employed in the silver mines and by the large standing garrison.
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Reference address : https://www.ellopos.net/elpenor/rome/4-01-gracchi.asp?pg=2